Overvoltage protection plug



FIG. 1 is a right side perspective view of an overvoltage protection plug;

FIG. 2 is a left side perspective view of the overvoltage protection plug of FIG. 1;

FIG. 3 is a left side elevation view of the overvoltage protection plug of FIG. 1;

FIG. 4 is a right side elevation view of the overvoltage protection plug of FIG. 1;

FIG. 5 is a top elevation view of the overvoltage protection plug of FIG. 1;

FIG. 6 is a bottom elevation view of the overvoltage protection plug of FIG. 1;

FIG. 7 is a front elevation view of the overvoltage protection plug of FIG. 1; and,

FIG. 8 is a rear elevation view of the overvoltage protection plug of FIG. 1.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

The ornamental design for an overvoltage protection plug, as shown and described. 